<template>
  <div>
    <h1 v-yins>{{count | yin}}</h1>
    <button @click='app'>this</button>
  </div>
</template>

<script>
export default {
  name:'App',
  data(){
    return {
      count :0
    }
  },
  methods:{
    app(){
      console.log(this);
    }
  }
}
</script>

<style>

</style>